Plugin Cocoon is not working

I dont know if i should write it here, but as i see some questions about plugins i dare to try)
I have installed Cocoon plugin ( and it simply not working. It gives empty output whatever i do. What is wrong? I hope the creator visit this forum from time to time, because i cant find contacts on his website

icocoon is not (5.7 KB)

Try to adjust your input parameters properly…

cocoon is not (7.9 KB)

thx, now i see

Also there are example files.

Yeah, sry for stupid question %)